Category Archives: Teaching

Rubber Sheet Geometry 101

Rubber sheet geometry worksheet. Pilot materials for a unit on “equivalence by distortion” in MATH 1001, Quantitative Reasoning (Spring 2026). Knot theory teaser. Icebreaker for reasoning about higher-dimensional space. (6 slides) Course notes including units on graph theory, transformation geometry, fractals, and other topics. Links for interested students: Accessible to all: Topology in K-12: The […]


Workbook for Tannenbaum’s Excursions… (+ R.L. Moore rant)

The linked PDF is a Workbook for a semester-long course using Tannenbaum’s Excursions in Modern Mathematics. I used them as lecture notes at Austin Community College. The general approach is that of “discovery learning”. I’m a recovering fan of the Moore method (see rant below). Topics: If I had it do over again (these notes […]


Capital for STEM majors

Resources linked in this doc: As a working teacher, I’m always thinking about ways to make the history of ideas accessible to ordinary people—say, the average undergrad or advanced high school student. Some people publish articles. Some people post. I make slideshows and typeset mathematical notes. 1. Notes on Capital vol. 3, ch. 10, “The […]


Labor and Capital in MATH 1001

The worksheets linked below develop financial and economic themes, including labor exploitation, throughout the first half of our Quantitative Reasoning course (up to and including the Financial Math unit). For example, Worksheet 2 draws a connection between hourly wage rates—which students understand intuitively from everyday life—and proportion equations for similar triangles. The mathematical model of […]